import { IAssignmentLogger, IBanditLogger } from '@eppo/js-client-sdk-common';
/**
 * Configuration used for initializing the Eppo client
 * @public
 */
export interface IClientConfig {
    /** Eppo SDK key */
    apiKey: string;
    /**
     * Base URL of the Eppo API.
     * Clients should use the default setting in most cases.
     */
    baseUrl?: string;
    /** Provide a logging implementation to send variation assignments to your data warehouse. */
    assignmentLogger: IAssignmentLogger;
    /** Logging implementation to send bandit actions to your data warehouse */
    banditLogger?: IBanditLogger;
    /** Timeout in milliseconds for the HTTPS request for the experiment configuration. (Default: 5000) */
    requestTimeoutMs?: number;
    /**
     * Number of additional times the initial configuration request will be attempted if it fails.
     * This is the request servers typically synchronously wait for completion. A small wait will be
     * done between requests. (Default: 1)
     */
    numInitialRequestRetries?: number;
    /**
     * Number of additional times polling for updated configurations will be attempted before giving up.
     * Polling is done after a successful initial request. Subsequent attempts are done using an exponential
     * backoff. (Default: 7)
     */
    numPollRequestRetries?: number;
    /** Throw error if unable to fetch an initial configuration during initialization. (default: true) */
    throwOnFailedInitialization?: boolean;
    /** Poll for new configurations even if the initial configuration request failed. (default: false) */
    pollAfterFailedInitialization?: boolean;
    /**
     * Poll for new configurations (every `pollingIntervalMs`) after successfully requesting the initial configuration. (default: true)
     * For server-side applications, this defaults to true to ensure configurations stay up-to-date for the life of the process.
     */
    pollAfterSuccessfulInitialization?: boolean;
    /** Amount of time in milliseconds to wait between API calls to refresh configuration data. Default of 30_000 (30s). */
    pollingIntervalMs?: number;
    /**
     * Configuration settings for the event dispatcher.
     * @deprecated Eppo has discontinued eventing support. Event tracking will be handled by Datadog SDKs.
     */
    eventTracking?: {
        /** Maximum number of events to send per delivery request. Defaults to 1000 events. */
        batchSize?: number;
        /** Number of milliseconds to wait between each batch delivery. Defaults to 10 seconds. */
        deliveryIntervalMs?: number;
        /** Whether to enable event tracking. Defaults to false. */
        enabled?: boolean;
        /**
         * Maximum number of events to queue in memory before starting to drop events.
         * Note: This is only used if localStorage is not available.
         * Defaults to 10000 events.
         */
        maxQueueSize?: number;
        /** Maximum number of retry attempts before giving up on a batch delivery. Defaults to 3 retries. */
        maxRetries?: number;
        /** Maximum amount of milliseconds to wait before retrying a failed delivery. Defaults to 30 seconds. */
        maxRetryDelayMs?: number;
        /** Minimum amount of milliseconds to wait before retrying a failed delivery. Defaults to 5 seconds */
        retryIntervalMs?: number;
    };
}
/**
 * Configuration used for offline initialization of the Eppo client.
 * Offline initialization allows the SDK to be used without making any network requests.
 * @public
 */
export interface IOfflineClientConfig {
    /**
     * The full flags configuration JSON string as returned by the Eppo API.
     * This should be the complete response from the /flag-config/v1/config endpoint.
     *
     * Expected format:
     * ```json
     * {
     *   "createdAt": "2024-04-17T19:40:53.716Z",
     *   "format": "SERVER",
     *   "environment": { "name": "production" },
     *   "flags": { ... }
     * }
     * ```
     */
    flagsConfiguration: string;
    /**
     * Optional bandit models configuration JSON string as returned by the Eppo API.
     * This should be the complete response from the bandit parameters endpoint.
     *
     * Expected format:
     * ```json
     * {
     *   "updatedAt": "2024-04-17T19:40:53.716Z",
     *   "bandits": { ... }
     * }
     * ```
     */
    banditsConfiguration?: string;
    /**
     * Optional assignment logger for sending variation assignments to your data warehouse.
     * Required for experiment analysis.
     */
    assignmentLogger?: IAssignmentLogger;
    /** Optional bandit logger for sending bandit actions to your data warehouse */
    banditLogger?: IBanditLogger;
    /**
     * Whether to throw an error if initialization fails. (default: true)
     * If false, the client will be initialized with an empty configuration.
     */
    throwOnFailedInitialization?: boolean;
}
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